Local Lambda Server

runlambdas is a tool for running Node.js Lambdas locally.

This is a fork of the Lambda testing server provided with the Jolt Framework adapted to serve as a standalone CLI tool.

Features:

• Hot reloading of functions so you don't need to restart the server.
• Environment variables are made available during function invocation.
• Supports both synchronous and asynchronous Lambdas.
• Functions can be nested to support multi-segment paths (ie: GET http://localhost:3001/one/two/myLambda).

Installation:

npm i -g runlambdas`

Usage:

runlambdas functionFolderName [portNumber]

• A functionFolderName is provided as a relative path. This tells runlambdas where to look for Lambda handlers.
• Lambda handlers will be loaded based on the request path with the functionFolderName as the root.
  • ie: A request to http://localhost:3001/one/two/myLambda will try to invoke the function at the relative path ./functionFolderName/one/two/myLambda.js.
• Environment variables (if any are present) are loaded from the .env file located in the same directory as the Lambda at runtime.
• By default, the server will run on port 3001, but an optional portNumber parameter lets you specify a different port.